I bought a cheap con air straightener and it took forever to straighten my hair. Then my friend suggested that I try the Chi or ISO. I was a little bit hesitant because both of these cost well over $100, but I found an ISO online (for 65.00) and bought it. (
http://www.all4webs.com/8/p/isoflatirons/ ) I am soooooo happy with the results. I would recommend ISO to anybody.